16
LTC34 06
LTC34 06 -1.5/LTC34 06 -1.8
3406fa
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC1474/LTC1475 250mA (I
OUT
) Low Quiescent Current Step-Down V
IN
: 3V to 18V, Constant Off-Time, I
Q
= 10µA, MS8 Package
DC/DC Converters
LT1616 1.4MHz, 600mA Step-Down DC/DC Converter V
IN
: 3.6V to 25V, I
Q
= 1.9mA, ThinSOT Package
LTC1701 1MHz, 500mA (I
OUT
) Step-Down DC/DC Converter V
IN
: 2.5V to 5.5V, Constant Off-Time, I
Q
= 135µA, ThinSOT Package
LTC1767 1.5A, 1.25MHz Step-Down Switching Regulator V
IN
: 3V to 25V, I
Q
= 1mA, MS8/E Packages
LTC1779 550kHz, 250mA (I
OUT
) Step-Down Switching Regulator V
IN
: 2.5V to 9.8V, I
Q
= 135µA, ThinSOT Package
LTC1875 550kHz, 1.2A (I
OUT
) Synchronous Step-Down Regulator V
IN
: 2.7V to 6V, I
Q
= 15µA, TSSOP-16 Package
LTC1877 550kHz, 600mA (I
OUT
) Synchronous Step-Down Regulator V
IN
: 2.65V to 10V, I
Q
= 10µA, MS8 Package
LTC1878 550kHz, 600mA (I
OUT
) Synchronous Step-Down Regulator V
IN
: 2.65V to 6V, I
Q
= 10µA, MS8 Package
LTC1879 550kHz, 1.2A (I
OUT
) Synchronous Step-Down Regulator V
IN
: 2.7V to 10V, I
Q
= 15µA, TSSOP-16 Package
LTC3404 1.4MHz, 600mA (I
OUT
) Synchronous Monolithic Up to 95% Efficiency, V
IN
: 2.65V to 6V, I
Q
= 10µA, MS8 Package
Step-Down Regulator
LTC3405/LTC3405A 1.5MHz, 300mA (I
OUT
) Synchronous Monolithic Up to 95% Efficiency, V
IN
: 2.5V to 5.5V, I
Q
= 20µA,
LTC3405A-1.5 Step-Down Regulators Fixed Output Voltages Available, ThinSOT Package
LTC3405A-1.8
LTC3406B 1.5MHz, 600mA (I
OUT
) Synchronous Monolithic Up to 95% Efficiency, with Pulse Skipping Mode
LTC3406B-1.5 Step-Down Regulators Fixed Output Voltages Available, ThinSOT Package
LTC3406B-1.8
LTC3411 4MHz, 1.25A (I
OUT
) Synchronous Monolithic Up to 95% Efficiency, V
IN
: 2.5V to 5.5V, I
Q
= 60µA, MS Package
Step-Down Regulator
LTC3412 4MHz, 2.5A (I
OUT
) Synchronous Monolithic Up to 95% Efficiency, V
IN
: 2.5V to 5.5V, I
Q
= 60µA, TSSOP Package
Step-Down Regulator
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LT/TP 0604 1K REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2002
OUTPUT CURRENT (mA)
70
EFFICIENCY (%)
80
90
95
0.1 10 100 1000
3406 TA02
60
1
85
75
65
V
OUT
= 1.8V
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
C
IN
**
4.7µF
CER
V
IN
2.7V
TO 4.2V
LTC3406-1.8
RUN
3
4.7µH*
3406 TA01
5
4
1
2
SW
V
OUT
GND
C
OUT1
†
100µF
V
OUT
1.8V
*
**
†
MURATA LQH32CN4R7M34
TAIYO YUDEN CERAMIC JMK212BJ475MG
SANYO POSCAP 4TPB100M
+
Single Li-Ion 1.8V/600mA Regulator for Low Output Ripple and Small Footprint
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
OUT
100mV/DIV
AC COUPLED
40µs/DIVV
IN
= 3.6V
V
OUT
= 1.8V
I
LOAD
= 0mA TO 600mA
3406 TA03
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
OUT
100mV/DIV
AC COUPLED
40µs/DIVV
IN
= 3.6V
V
OUT
= 1.8V
I
LOAD
= 200mA TO 600mA
3406 TA04
TYPICAL APPLICATIO
U
